Public/New-BCDRamDrive.ps1
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function New-BCDRamDrive { param ( [Parameter(Mandatory,HelpMessage="Volume which holds the windows boot manager")] [ValidateScript({if ($_ -notmatch '^[a-z]:$') { throw "BootVolume only allows simple volume inputs, like d: or e:" }else { $true }})] $BootVolume, [Parameter(Mandatory,HelpMessage="Wimfile, which will be added to windows boot manager as ramdrive")] [ValidateScript({Test-Path $_})] $WimFile, [Parameter(Mandatory)] $Description ) $wim = Resolve-Path $WimFile $deviceValue = "ramdisk=[$($wim.Drive):]$($wim.Path.Split(':')[1])" # add entry for uefi $result = bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -create -d $Description -application osloader $guid = ($result -split '{|}')[1] bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" device $deviceValue,'{ramdiskoptions}' bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" path \windows\system32\boot\winload.efi bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" locale en-US bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" osdevice $deviceValue,'{ramdiskoptions}' bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" systemroot \windows #bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" bootmenupolicy Standard bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" detecthal Yes bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" winpe Yes bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -set "{$guid}" ems No bcdedit -store $BootVolume\EFI\Microsoft\Boot\BCD -displayorder "{$guid}" /addfirst # add entry for bios $result = bcdedit -store $BootVolume\Boot\BCD -create -d $Description -application osloader $guid = ($result -split '{|}')[1] bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" device $deviceValue,'{ramdiskoptions}' bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" path \windows\system32\boot\winload.exe bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" locale en-US bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" inherit '{bootloadersettings}' bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" osdevice $deviceValue,'{ramdiskoptions}' bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" systemroot \windows bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" detecthal Yes bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" winpe Yes bcdedit -store $BootVolume\Boot\BCD -set "{$guid}" ems No } |